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<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>

  <!-- <button onclick="alert('逗你玩')">点击获得50000美元</button> -->
  <script>
    // alert('来吧')
    // let age = 18
    // let name = "张三"
    // console.log(age);
    // let uname = prompt("请输入姓名：")
    // document.write(uname)

    let name = "张三";
    let age = 20;
    console.log("姓名：", name, "年龄：", age);
  </script>



</body>

</html>